Authors can record copyright in two ways:
1. The Easy Way:
Login to your EDAS page, click on the +sign at the right of Copyright form, then click on IEEE Copyright Submission (red circles), and complete by answering few questions.
2. Other option:
Download the copyright form (click here to download), fill up the paper details and author details, print form, have it signed, and scan it. Then upload the scanned copy as shown in the green box in the above pic.